Seitron TRD02B 无线数字恒温器 (5 .. 35°C)

Battery powered: 2 x 1.5V AA

Battery life: 3 years / 5 years

Working range: 5 .. 35°C adjustable

Transmission frequency: 868.150 MHz

Internal sensor: NTC (4K7 @ 25°C)

External sensor (opt.): NTC (4K7 @ 25°C)

Max. distance from receiver: > 50 meters (inside average buildings)

Data transmission time: 3 min / 10 min

Antenna type: Internal

Protection grade: IP30

Dimensions: H85 W85 D23.6 mm

Class: Reg.2013/811/EC IV = 2.0%